JP6589938B2 - 内燃機関の排気浄化装置 - Google Patents

内燃機関の排気浄化装置 Download PDF

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Publication number
JP6589938B2
JP6589938B2 JP2017110433A JP2017110433A JP6589938B2 JP 6589938 B2 JP6589938 B2 JP 6589938B2 JP 2017110433 A JP2017110433 A JP 2017110433A JP 2017110433 A JP2017110433 A JP 2017110433A JP 6589938 B2 JP6589938 B2 JP 6589938B2
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JP
Japan
Prior art keywords
fuel ratio
air
egr rate
exhaust gas
purification catalyst
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2017110433A
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English (en)
Japanese (ja)
Other versions
JP2018204533A (ja
Inventor
憲二 井下
憲二 井下
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP2017110433A priority Critical patent/JP6589938B2/ja
Priority to US15/994,764 priority patent/US10837386B2/en
Priority to EP18175486.2A priority patent/EP3409931B1/de
Priority to CN201810557208.1A priority patent/CN108979879B/zh
Publication of JP2018204533A publication Critical patent/JP2018204533A/ja
Application granted granted Critical
Publication of JP6589938B2 publication Critical patent/JP6589938B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
    • F02D41/1475—Regulating the air fuel ratio at a value other than stoichiometry
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/0295—Control according to the amount of oxygen that is stored on the exhaust gas treating apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9495—Controlling the catalytic process
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/005—Controlling exhaust gas recirculation [EGR] according to engine operating conditions
    • F02D41/0052—Feedback control of engine parameters, e.g. for control of air/fuel ratio or intake air amount
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • F02D41/1441—Plural sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D45/00—Electrical control not provided for in groups F02D41/00 - F02D43/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/02—Catalytic activity of catalytic converters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/08—Exhaust gas treatment apparatus parameters
    • F02D2200/0814—Oxygen storage amount
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/0065—Specific aspects of external EGR control
    • F02D41/0072—Estimating, calculating or determining the EGR rate, amount or flow

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
JP2017110433A 2017-06-02 2017-06-02 内燃機関の排気浄化装置 Expired - Fee Related JP6589938B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2017110433A JP6589938B2 (ja) 2017-06-02 2017-06-02 内燃機関の排気浄化装置
US15/994,764 US10837386B2 (en) 2017-06-02 2018-05-31 Exhaust purification system of internal combustion engine
EP18175486.2A EP3409931B1 (de) 2017-06-02 2018-06-01 Abgasreinigungssystem eines verbrennungsmotors
CN201810557208.1A CN108979879B (zh) 2017-06-02 2018-06-01 内燃机的排气净化装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017110433A JP6589938B2 (ja) 2017-06-02 2017-06-02 内燃機関の排気浄化装置

Publications (2)

Publication Number Publication Date
JP2018204533A JP2018204533A (ja) 2018-12-27
JP6589938B2 true JP6589938B2 (ja) 2019-10-16

Family

ID=62495674

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017110433A Expired - Fee Related JP6589938B2 (ja) 2017-06-02 2017-06-02 内燃機関の排気浄化装置

Country Status (4)

Country Link
US (1) US10837386B2 (de)
EP (1) EP3409931B1 (de)
JP (1) JP6589938B2 (de)
CN (1) CN108979879B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6637481B2 (ja) * 2017-12-26 2020-01-29 株式会社Ｓｕｂａｒｕ 車両用制御装置
JP7131171B2 (ja) * 2018-07-26 2022-09-06 マツダ株式会社 圧縮着火式エンジンの制御装置
DE102018216980A1 (de) * 2018-10-04 2020-04-09 Robert Bosch Gmbh Verfahren zur Regelung einer Füllung eines Speichers eines Katalysators für eine Abgaskomponente in Abhängigkeit von einer Alterung des Katalysators
JP6547992B1 (ja) * 2019-04-18 2019-07-24 トヨタ自動車株式会社 酸素吸蔵量推定装置、酸素吸蔵量推定システム、内燃機関の制御装置、データ解析装置、および酸素吸蔵量推定方法
CN113803136B (zh) * 2020-06-12 2023-02-03 丰田自动车株式会社 内燃机的排气净化装置及催化剂

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3460354B2 (ja) * 1995-01-31 2003-10-27 株式会社デンソー 内燃機関の空燃比制御装置
US5996337A (en) * 1998-02-06 1999-12-07 Engelhard Corporation Dynamic calorimetric sensor system
JP3405183B2 (ja) * 1998-03-30 2003-05-12 トヨタ自動車株式会社 圧縮着火式内燃機関
JP3552645B2 (ja) * 2000-05-17 2004-08-11 トヨタ自動車株式会社 内燃機関
JP3292198B1 (ja) * 2000-12-28 2002-06-17 トヨタ自動車株式会社 圧縮着火式内燃機関
WO2004059151A1 (de) * 2002-12-30 2004-07-15 Volkswagen Ag Verfahren und vorrichtung zur einstellung eines kraftstoff/luftverhältnisses für eine brennkraftmaschine
JP4046104B2 (ja) * 2004-06-10 2008-02-13 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP2006118358A (ja) * 2004-10-19 2006-05-11 Nissan Motor Co Ltd 排気ガス浄化装置の劣化診断装置
DE102005061875A1 (de) * 2005-12-23 2007-07-05 Robert Bosch Gmbh Lambdaregelungsverfahren für einen Verbrennungsmotor
US9020739B2 (en) * 2009-11-11 2015-04-28 Toyota Jidosha Kabushiki Kaisha Control device for internal combustion engine having an external exhaust gas recirculation system
CN102282351B (zh) * 2010-04-12 2014-02-26 丰田自动车株式会社 内燃机的控制装置
US9528452B2 (en) 2010-10-26 2016-12-27 Toyota Jidosha Kabushiki Kaisha Control device for internal combustion engine
EP2891777B1 (de) * 2012-08-28 2016-11-16 Toyota Jidosha Kabushiki Kaisha Abgasreinigungsvorrichtung für einen verbrennungsmotor mit funkenzündung
DE112013007079B9 (de) * 2013-05-14 2019-05-16 Toyota Jidosha Kabushiki Kaisha Steuervorrichtung für Verbrennungsmotor
JP6191702B2 (ja) * 2013-12-20 2017-09-06 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP6024835B2 (ja) * 2013-12-20 2016-11-16 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP6323403B2 (ja) * 2015-07-06 2018-05-16 トヨタ自動車株式会社 内燃機関の排気浄化装置

Also Published As

Publication number Publication date
JP2018204533A (ja) 2018-12-27
US10837386B2 (en) 2020-11-17
EP3409931B1 (de) 2020-02-26
CN108979879B (zh) 2021-04-20
CN108979879A (zh) 2018-12-11
US20180347489A1 (en) 2018-12-06
EP3409931A1 (de) 2018-12-05

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